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Libofcongress
Power your agent
Add this server
The publisher's own URL. Not a PlugMCP endpoint.
Host a copy with our keys and logs.
Server URL
https://libofcongress.caseyjhand.com/mcpCredentials from the publisher
- LOC_USER_AGENT — User-Agent header sent with LOC API requests. LOC recommends a descriptive value for polite access.
- LOC_REQUEST_DELAY_MS — Delay in milliseconds between LOC API requests to stay under the 20 req/min rate limit.
- MCP_LOG_LEVEL — Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
- MCP_SESSION_MODE — HTTP session mode: auto, stateful, or stateless.
The Claude button above opens Claude with the name and URL filled in. You still confirm it there.
shClaude Code
claude mcp add --transport http io.github.cyanheads-libofcongress-mcp-server https://libofcongress.caseyjhand.com/mcpRun in a terminal.
jsonClaude Desktop
{ "mcpServers": { "io.github.cyanheads-libofcongress-mcp-server": { "command": "npx", "args": [ "-y", "mcp-remote", "https://libofcongress.caseyjhand.com/mcp" ] } }}claude_desktop_config.json
Remote · HTTPPublisher installStep-by-step: add this in Claude
Remote URL or a command on your machine? How the two installs differ
Run on PlugMCP
Host a copy with our keys and logs.
A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.
LaunchServer facts
Remote- Transport
Tools
Tools
No tool list yet. Remote servers get one after the first health check.
FAQ